115909441 has 4 divisors (see below), whose sum is σ = 115937584. Its totient is φ = 115881300.

The previous prime is 115909439. The next prime is 115909457. The reversal of 115909441 is 144909511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144909511 = 577 ⋅251143.

It is a cyclic number.

It is not a de Polignac number, because 115909441 - 2¹ = 115909439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115909397 and 115909406.

It is not an unprimeable number, because it can be changed into a prime (115909421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6555 + ... + 16576.

It is an arithmetic number, because the mean of its divisors is an integer number (28984396).

Almost surely, 2^115909441 is an apocalyptic number.

It is an amenable number.

115909441 is a deficient number, since it is larger than the sum of its proper divisors (28143).

115909441 is an equidigital number, since it uses as much as digits as its factorization.

115909441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28142.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 115909441 is about 10766.1246974016. The cubic root of 115909441 is about 487.5729503804.

The spelling of 115909441 in words is "one hundred fifteen million, nine hundred nine thousand, four hundred forty-one".